What are the differences and the similarities between home surround sound and movie surround sound systems?

In the way both systems work, the goals of each are essentially identical—to provide a big stereo soundstage at the front, with a dedicated center channel speaker in the middle that anchors the actors’ dialogue at the movie screen or video display, and at least two or more surround speakers at the sides of the theater (or your room at home), with the option of two additional surrounds on the back wall. In both systems, an almighty subwoofer or two deliver the deep bass sounds of music and movie special effects.

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